122 lines
3.4 KiB
C++
122 lines
3.4 KiB
C++
//===-- ABISysV_arm.h ----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_ABISysV_arm_h_
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#define liblldb_ABISysV_arm_h_
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/lldb-private.h"
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#include "lldb/Target/ABI.h"
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class ABISysV_arm : public lldb_private::ABI
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{
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public:
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~ABISysV_arm() override = default;
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size_t
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GetRedZoneSize () const override;
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bool
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PrepareTrivialCall (lldb_private::Thread &thread,
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lldb::addr_t sp,
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lldb::addr_t func_addr,
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lldb::addr_t returnAddress,
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llvm::ArrayRef<lldb::addr_t> args) const override;
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bool
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GetArgumentValues (lldb_private::Thread &thread,
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lldb_private::ValueList &values) const override;
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lldb_private::Error
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SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value) override;
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bool
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CreateFunctionEntryUnwindPlan (lldb_private::UnwindPlan &unwind_plan) override;
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bool
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CreateDefaultUnwindPlan (lldb_private::UnwindPlan &unwind_plan) override;
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bool
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RegisterIsVolatile (const lldb_private::RegisterInfo *reg_info) override;
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bool
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CallFrameAddressIsValid (lldb::addr_t cfa) override
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{
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// Make sure the stack call frame addresses are are 4 byte aligned
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if (cfa & (4ull - 1ull))
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return false; // Not 4 byte aligned
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if (cfa == 0)
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return false; // Zero is not a valid stack address
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return true;
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}
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bool
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CodeAddressIsValid (lldb::addr_t pc) override
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{
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// Just make sure the address is a valid 32 bit address. Bit zero
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// might be set due to Thumb function calls, so don't enforce 2 byte
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// alignment
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return pc <= UINT32_MAX;
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}
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lldb::addr_t
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FixCodeAddress (lldb::addr_t pc) override
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{
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// ARM uses bit zero to signify a code address is thumb, so we must
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// strip bit zero in any code addresses.
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return pc & ~(lldb::addr_t)1;
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}
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const lldb_private::RegisterInfo *
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GetRegisterInfoArray (uint32_t &count) override;
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//------------------------------------------------------------------
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// Static Functions
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//------------------------------------------------------------------
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static void
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Initialize();
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static void
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Terminate();
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static lldb::ABISP
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CreateInstance (const lldb_private::ArchSpec &arch);
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static lldb_private::ConstString
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GetPluginNameStatic();
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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lldb_private::ConstString
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GetPluginName() override;
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uint32_t
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GetPluginVersion() override;
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protected:
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lldb::ValueObjectSP
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GetReturnValueObjectImpl(lldb_private::Thread &thread,
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lldb_private::CompilerType &ast_type) const override;
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private:
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ABISysV_arm() :
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lldb_private::ABI()
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{
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// Call CreateInstance instead.
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}
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};
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#endif // liblldb_ABISysV_arm_h_
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